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Q&A: Nitrate reduction and drainage with Iowa State's Matt Helmers
2016-10-26 15:30:00| Corn & Soybean Digest
Matt Helmer, Iowa State University Keep an eye out for the new practice drainage water recycling. Nitrogen rate management is the first place to start, but it is not enough on its own to reach our goals established by the Iowa Nutrient Reduction Strategy. read more
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Top 5 Ag stories: Green stem syndrome and what can corn stalk nitrate testing mean to farmers
2016-10-06 19:14:00| Corn & Soybean Digest
The top 5 ag stories this week include determining what a stalk nitrate test can show you about a field and what green stem syndrome means to soybean producers. read more
Potential for nitrate problems in drought stressed corn
2016-08-16 22:11:00| Corn & Soybean Digest
Peter Thomison and Laura Lindsey, Ohio State University It's best to delay harvesting to maximize grain filling in drought stricken corn. The bulk of the nitrate in a drought-stricken corn plant can be found in the bottom third of the stalk. The good news is that if moisture conditions improve, the conversion process accelerates. read more
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Rainfall following drought linked to historic nitrate levels in Midwest streams in 2013
2016-06-08 05:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: Drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study, according to a U.S. Geological Survey report published today in the Journal of Environmental Quality. Nitrate, a form of nitrogen, is a common pollutant in U.S. streams and groundwater. Excessive concentrations in streams and lakes can adversely affect biological communities and spur algal growth, which can lead to harmful algal blooms and deplete oxygen...
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Improved Nitrate Stats Credited To Non-Point Sources
2016-02-15 02:02:40| pollutiononline Home Page
Officials in Dane County, WI, have had success in lowering the level of nitrates in the drinking water supply, but that doesn’t mean their work is over.
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